AAEON AEC-6967 - Manual (Page 30)

E m b e d d e d C o n t r o l l e r A E C - 6 9 6 7
Chapter 2 Hardware Installation 2 - 13
2.19 RS-232/422/485 Pin DEFINE (COM2)
Pin Signal Pin Signal
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI
2.20 RS-232 Box Header (COM3)
Pin Signal Pin Signal
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI
2.21 RS-232 Box Header (COM4)
Pin Signal Pin Signal
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI
2.22 USB Box Header (USB3~USB4)
Pin Signal Pin Signal
1 +5V 2 GND
3 USBD- 4 GND
5 USBD+ 6 USBD+